chem 1

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Across
  1. 2. atoms/molecules have higher KE than solids allowing them to flow, indefinite shape, definite volume
  2. 5. every sample does not contain the same amount of mixed substances
  3. 8. turning a liquid into gas by decreasing energy
  4. 13. substance made of two or more elements chemically combined
  5. 15. a property that can be observed or measured without changing the composition of the substance
  6. 17. anything that occupies space and has mass
  7. 20. a property that can only be observed by changing the composition of the substance
  8. 22. turning a gas into a solid by drastically decreasing temperature
  9. 23. atoms/molecules have high kinetic energy, indefinite shape, indefinite volume
  10. 24. the action of purifying a liquid by a process of heating and cooling
  11. 25. can be separated by physical means
Down
  1. 1. turning gas into a liquid by increasing energy
  2. 3. properties that do not depend on the amount of matter present
  3. 4. cannot be separated by physical means
  4. 6. substance made from one type of atom
  5. 7. properties that do depend on the amount of matter present
  6. 9. every sample contains the same amount of mixed substances
  7. 10. during any physical or chemical change, mass is never created or destroyed
  8. 11. all matter is made of atoms/molecules which are in constant motion due to kinetic energy
  9. 12. turning a solid to a gas by increasing energy
  10. 14. used to separate a solid from a liquid
  11. 16. turning a liquid into a solid by decreasing energy
  12. 18. atoms/molecules have low kinetic energy, definite shape, and definite volume
  13. 19. turning solid into liquid by increasing energy
  14. 21. the study of matter and its interactions